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Proof that π is irrational - Wikipedia


In the 18th century, Johann Heinrich Lambert proved that the number π (pi) is irrational: that is, ... Then Lambert proved that if x is non-zero and rational then this expression must be irrati...

If 22/7 is rational, why is pi irrational? - Quora


Because 22 7 isn't pi. The definition of an irrational number is that it cannot be expressed as a ...

Irrational Numbers - Math is Fun


You cannot write down a simple fraction that equals Pi. ... So you can tell if it is Rational or Irrational by trying to write the number as a simple fraction.

fractions - why is PI considered irrational if it can be expressed as ...


Mar 7, 2015 ... why is PI considered irrational if it can be expressed as ratio of circumference to .... A real number is rational, if it is the ratio of two integers.

Is pi a real number? | Reference.com


Pi is a real number, as all numbers that exist on a number line are real. Real numbers include all rational and irrational numbers; pi is defined as an irrational.. .

Is pi a rational, irrational number, natural, whole or integer? | Socratic


Jun 30, 2015 ... pi is an irrational number Rational numbers are all numbers expressible as p/q for some integers p and q with q != 0. pi is not expressible as p/q ...

Proving Pi is Irrational: a step-by-step guide to a “simple proof ...


Nov 8, 2013 ... You might remember the terms rational and irrational numbers from math ... readers can directly check out several proofs that pi is irrational.

how is pi an irrational number when it can be expressed as 22/7 ...


sunnyraghvendraposted 6 years ago. how is pi an irrational number when it can be expressed as 22/7..... 22/7 is a rational number since it can be written in the ...

Fascinating irrational numbers: Pi and square roots


Most children learn about Pi and square roots somewhere during the middle ... Well, irrational numbers are harder to understand than rational numbers, but I ...